2450721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 4128768

約数和(自身を除く): 1678047

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 191, 273, 329, 573, 611, 987, 1337, 1833, 2483, 4011, 4277, 7449, 8977, 12831, 17381, 26931, 52143, 62839, 116701, 188517, 350103, 816907, 2450721]

約数ペア:

[(1, 2450721), (3, 816907), (7, 350103), (13, 188517), (21, 116701), (39, 62839), (47, 52143), (91, 26931), (141, 17381), (191, 12831), (273, 8977), (329, 7449), (573, 4277), (611, 4011), (987, 2483), (1337, 1833)]